Comparison of ASUS ROG Strix LC Radeon RX 6900 XT TOP video card vs ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme video card by specifications and benchmarks. ASUS ROG Strix LC Radeon RX 6900 XT TOP runs at 1.950 GHz+ 7 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 Ti AMP Extreme runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.